There are reports of river rays in Thailand and Australia growing up to 16 ft. and 1,300 lbs., prompting fish biologist Zeb Hogan to brave their 15-inch poisonous barbs and sharks.
Zeb is heading into the heart of Guyana in search of fish with a terrifying reputation,he wolf fish, a species said to be a brutal hunter of animals and reportedly even humans.
Dr. Zeb Hogan travels to the Brazilian Amazon to determine whether the shock of an electric eel is proportionate to the fish's size.
Zeb Hogan, a National Geographic explorer and aquatic biologist, goes in search of monster snakehead in Thailand, their natural habitat, and Florida, where they have become aggressive invaders.
Deep in the rainforest of Nicaragua, Zeb Hogan is on a mission to track down a powerful predator that can grow up to eight feet long and nearly 300 pounds.
Fish biologist Zeb Hogan travels to Australia to try and track down two of the country's river shark species - one the biggest and one the rarest.
Zeb heads to the waters of Canada in search of a legendary fish covered in white fur.
Zeb scours the creeks of Texas in pursuit of the elusive Wild Hogfish.